/Engine/Source/Editor/AnimGraph/Public/AnimationGraphSchema.h
Called when asset(s) are dropped onto the specified node
virtual void DroppedAssetsOnNode ( const [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & Assets, const FVector2D & GraphPosition, [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * Node ) const